Burn-Off Ovens - How They Work and Are They Right For You?

 For what are burn-off furnaces used?


The Batch Burn off oven is intended to remove the cover from hooks, racks, fittings and components.


How are burn-off furnaces working?


The removal of the coating is carried out by heating the items to be removed up to 800F. The layer is reduced to thin, light ash and smoke. The manufactured fumes are released through an afterburner chamber that increases fumes for a minimum of 1⁄2 seconds to 1400F or greater. The resulting atmospheric effluent comprises of water vapor (H2O) and carbon dioxide (CO2). The decrease in ash stays in the oven and mostly consists of inorganic pigments. In line with municipal regulations, ash is taken from the oven and disposed of.


The base oven is made of a steel case with insulated walls and ceiling and a refractory bottom. A refractory plenum is supplied to uniformly disperse heat throughout the oven. At the back of the device, a primary burner and controls are placed. An afterburn mount with a high-temperature stack, an electric cap, and a roof flange is provided. The oven is loaded and unloaded using a trolley.


What to look for when you buy?


Once you find out whether a Burn-Off Oven works for your application, ensure that you locate the appropriate size. If you have an oven too big, your cycle times will raise your running costs. Also, you don't want to have such a tiny unit that it doesn't keep up with the output. A brief examination of the size of the components you place in the unit, racks, or baskets will assist you very much to choose the right size. Make sure you know the useable area of the oven (cart size), and not simply the "wall to wall" measurement, when getting estimates from the manufacturers. The dimension of the wall to the wall may be your size, but when the cart is used, the unit may be too small.


Operating cost?


The cost of running a burn-oven depends on the amount your service provider charges per CFH. As a rule, the formula $10 per 1000 CFH may be used (for natural gas). An example would be if an oven consumed a BTU of 750,000 an hour, then it would cost about $7.50 an hour.

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